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West Siberian petroleum megaprovince has unique reserves of shale oil maternal Bazhenov formation. For the zoning of areas according to the degree promising technology using of Geothermics data is offered. The paleotemperature simulation method makes it possible to reconstruct the thermal history of maternal deposits, to allocate by geothermal criteria and to map pockets generation oils. On the basis of performed paleotemperature modeling, taking into account the thickness of the parent sediments and organic carbon content in them. Based paleotemperature simulation results, taking into account the thickness of the parent sediments and organic carbon, are allocated and charted priority areas for follow exploration and field work. On the basis of performed paleotemperature modeling, taking into account the thickness of the parent sediments and organic carbon, are allocated and charted priority areas for follow exploration and field work. As an example, results of investigations conducted in Nurol’ka megadepression located in the southeast of the West Siberian Plain. The most perspective of land on the shale oil Bazhenov suite charted in the northern part of Kulan-Igay depression. Solvency of forecast zones of high and medium prospects Nurol’ka megadepression argued by comparison with direct signs of oil-bearing Bazhenov suite in the core, and the results of tests of deep wells. Technology of zonal regionalization maternal suite by density of shale oil resources, in the main, on geophysical (geothermal) data express-zoning is named.